#include "GLGXMath.h"
 
#define MAX_MATRIX_STACK_LEVELS 32
 
class MatrixStack
{
private:
    GLGXMATRIX stack[MAX_MATRIX_STACK_LEVELS];
    int currentLevel;
 
public:
    MatrixStack();
 
    void clear();
 
    const GLGXMATRIX *getTop() const;
 
    void loadIdentity();
 
    void loadMatrix(GLGXMATRIX *matrix);
 
    void multMatrix(GLGXMATRIX *matrix);    
    void multMatrixLocal(GLGXMATRIX *matrix);
 
    void pop();
    void push();
 
    void rotateAxis(GLGXVECTOR3 *vector, float angle);  
    void rotateAxisLocal(GLGXVECTOR3 *vector, float angle);
 
    void rotateYawPitchRoll(float yaw, float pitch, float roll);
    void rotateYawPitchRollLocal(float yaw, float pitch, float roll);
 
    void scale(float x, float y, float z);
    void scaleLocal(float x, float y, float z);
 
    void translate(float x, float y, float z);
    void translateLocal(float x, float y, float z); 
};